acid mine drainage bontonite

How Acid Mine Drainage Has Affected the Greater Acid mine drainage is a water quality issue that is typically associated with abandoned coal mines There are three main chemical reactions that can take place when acid mine drainage is affecting a stream The main reaction occurring is the oxidization of pyrite iron disulfide This reaction produces ferrous or soluble iron and sulfuric acid -acid mine drainage bontonite-,Evaluation of Bentonite for the Control of Acid Drainage The bentonite had little effect on drainage for the period September through October 1983 intercepting only 17 percent of the drainage water from the 1 lb/ft 2 bentonite plots and 5 percent of that from the 2 lb/ft 2……

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